Invasion
Invasion Description
1st Record: CA/upper Newport Bay (1978, Haaker 1979)
Geographic Extent
CA/Mugu Lagoon (Swift et al. 1993); Ballona/CA/Ballona Marsh (Swift et al. 1993); between the Westminster Avenue and Seventh Street bridges, Los Angeles/CA/San Gabriel River (1978, Haaker 1979); Long Beach/CA/Channel 3 of Long Beach Harbor (1978, Haaker 1979); Huntington Beach/CA/Bolsa Chica Flood Control Channel (Courtenay et al. 1986); CA/upper Newport Bay (1978, Haaker 1979); CA/San Dieguito Lagoon (1984, Williams et al. 1998); CA/Los Penasquitos Lagoon (1998, Williams et al. 2001); San Diego/CA/Mission Bay (1992, Southwest Regional Office, NMFS http://swr.nmfs.noaa.gov/hcd/cummb.htm ); CA/San Diego Bay (1988, Williams et al. 1998); Sweetwater Marsh National Wildlife Refuge/CA/San Diego Bay (1995, Williams et al. 1998); San Diego/CA/Tijuana River Estuary (1998, Williams et al. 2001).
Vectors
| Level | Vector |
|---|---|
| Probable | Ballast Water |
| Alternate | Hull Fouling |
| Alternate | Oyster Accidental |
Regional Impacts
| Ecological Impact | Predation | |
| Acanthogobius flavimanus (Yellowfin Gobies) are potential predators on eggs, larvae and juveniles of native species, including Leptocottus armatus (Staghorn Sculpin); Eucyclogobius newberryi (Tidewater Goby, endangered) is suspected (Meng et al. 1994; Lafferty et al. 1999). | ||